2004•Molecular Crystals and Liquid CrystalsRequires access

Efficient Photoisomerization of Hybrid Langmuir-Blodgett Films of Amphiphilie Anionic Azobenzene and Alkylammonium with Long Alkyl Chains

Keiko Kakiuchi, Reiko Azumi, Mutsuyoshi Matsumoto

Abstract

We fabricated stable hybrid monolayers of an anionic azobenzene and alkylammonium, while pure azobenzene did not form a stable monolayer. Efficient photoisomerization of azobenzene proceeded in the Langmuir-Blodgett films due to salt formation of the two components, allowing azobenzene to have free volume with alkylammoniums as spacers.

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Key concepts: Azobenzene, Photoisomerization, Monolayer, Langmuir–Blodgett film, Azo compound, Alkyl, Chemistry, Photochemistry